mdp_version.h revision a85d9f9f2d5cd0555b409b1fc974a9ecec3fee56 
1/*
2 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
3
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *   * Redistributions of source code must retain the above copyright
8 *     notice, this list of conditions and the following disclaimer.
9 *   * Redistributions in binary form must reproduce the above
10 *     copyright notice, this list of conditions and the following
11 *     disclaimer in the documentation and/or other materials provided
12 *     with the distribution.
13 *   * Neither the name of The Linux Foundation nor the names of its
14 *     contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#ifndef INCLUDE_LIBQCOMUTILS_MDPVER
31#define INCLUDE_LIBQCOMUTILS_MDPVER
32
33#include <stdint.h>
34#include <utils/Singleton.h>
35#include <cutils/properties.h>
36
37/* This class gets the MSM type from the soc info
38*/
39using namespace android;
40namespace qdutils {
41// These panel definitions are available at mdss_mdp.h which is internal header
42// file and is not available at <linux/mdss_mdp.h>.
43// ToDo: once it is available at linux/mdss_mdp.h, these below definitions can
44// be removed.
45enum mdp_version {
46    MDP_V_UNKNOWN = 0,
47    MDP_V2_2    = 220,
48    MDP_V3_0    = 300,
49    MDP_V3_0_3  = 303,
50    MDP_V3_0_4  = 304,
51    MDP_V3_1    = 310,
52    MDP_V4_0    = 400,
53    MDP_V4_1    = 410,
54    MDP_V4_2    = 420,
55    MDP_V4_3    = 430,
56    MDP_V4_4    = 440,
57    MDSS_V5     = 500,
58};
59
60// chip variants have same major number and minor numbers usually vary
61// for e.g., MDSS_MDP_HW_REV_101 is 0x10010000
62//                                    1001       -  major number
63//                                        0000   -  minor number
64// 8x26 v1 minor number is 0000
65//      v2 minor number is 0001 etc..
66
67enum {
68    MAX_DISPLAY_DIM = 2048,
69};
70
71#define NO_PANEL         '0'
72#define MDDI_PANEL       '1'
73#define EBI2_PANEL       '2'
74#define LCDC_PANEL       '3'
75#define EXT_MDDI_PANEL   '4'
76#define TV_PANEL         '5'
77#define DTV_PANEL        '7'
78#define MIPI_VIDEO_PANEL '8'
79#define MIPI_CMD_PANEL   '9'
80#define WRITEBACK_PANEL  'a'
81#define LVDS_PANEL       'b'
82#define EDP_PANEL        'c'
83
84class MDPVersion;
85
86struct Split {
87    int mLeft;
88    int mRight;
89    Split() : mLeft(0), mRight(0){}
90    int left() { return mLeft; }
91    int right() { return mRight; }
92    friend class MDPVersion;
93};
94
95struct PanelInfo {
96    char mType;                  // Smart or Dumb
97    int mPartialUpdateEnable;    // Partial update feature
98    int mLeftAlign;              // ROI left alignment restriction
99    int mWidthAlign;             // ROI width alignment restriction
100    int mTopAlign;               // ROI top alignment restriction
101    int mHeightAlign;            // ROI height alignment restriction
102    int mMinROIWidth;            // Min width needed for ROI
103    int mMinROIHeight;           // Min height needed for ROI
104    PanelInfo() : mType(NO_PANEL), mPartialUpdateEnable(0),
105    mLeftAlign(0), mWidthAlign(0), mTopAlign(0), mHeightAlign(0),
106    mMinROIWidth(0), mMinROIHeight(0){}
107    friend class MDPVersion;
108};
109
110class MDPVersion : public Singleton <MDPVersion>
111{
112public:
113    MDPVersion();
114    ~MDPVersion();
115    int getMDPVersion() {return mMDPVersion;}
116    char getPanelType() {return mPanelInfo.mType;}
117    bool hasOverlay() {return mHasOverlay;}
118    uint8_t getTotalPipes() {
119        return (uint8_t)(mRGBPipes + mVGPipes + mDMAPipes);
120    }
121    uint8_t getRGBPipes() { return mRGBPipes; }
122    uint8_t getVGPipes() { return mVGPipes; }
123    uint8_t getDMAPipes() { return mDMAPipes; }
124    bool supportsDecimation();
125    uint32_t getMaxMDPDownscale();
126    uint32_t getMaxMDPUpscale();
127    bool supportsBWC();
128    bool supportsMacroTile();
129    int getLeftSplit() { return mSplit.left(); }
130    int getRightSplit() { return mSplit.right(); }
131    int isPartialUpdateEnabled() { return mPanelInfo.mPartialUpdateEnable; }
132    int getLeftAlign() { return mPanelInfo.mLeftAlign; }
133    int getWidthAlign() { return mPanelInfo.mWidthAlign; }
134    int getTopAlign() { return mPanelInfo.mTopAlign; }
135    int getHeightAlign() { return mPanelInfo.mHeightAlign; }
136    int getMinROIWidth() { return mPanelInfo.mMinROIWidth; }
137    int getMinROIHeight() { return mPanelInfo.mMinROIHeight; }
138    unsigned long getLowBw() { return mLowBw; }
139    unsigned long getHighBw() { return mHighBw; }
140    bool isSrcSplit() const;
141    bool isRGBScalarSupported() const;
142    bool is8x26();
143    bool is8x74v2();
144    bool is8084();
145    bool is8092();
146    bool is8x16();
147
148private:
149    bool updateSysFsInfo();
150    void updatePanelInfo();
151    bool updateSplitInfo();
152    int tokenizeParams(char *inputParams, const char *delim,
153                        char* tokenStr[], int *idx);
154    int mFd;
155    int mMDPVersion;
156    bool mHasOverlay;
157    uint32_t mMdpRev;
158    uint8_t mRGBPipes;
159    uint8_t mVGPipes;
160    uint8_t mDMAPipes;
161    uint32_t mFeatures;
162    uint32_t mMDPDownscale;
163    uint32_t mMDPUpscale;
164    bool mMacroTileEnabled;
165    Split mSplit;
166    PanelInfo mPanelInfo;
167    unsigned long mLowBw; //kbps
168    unsigned long mHighBw; //kbps
169    bool mSourceSplit;
170    bool mRGBHasNoScalar;
171};
172}; //namespace qdutils
173#endif //INCLUDE_LIBQCOMUTILS_MDPVER
174